Christopher Joseph Rudnisky MD MPH FRCSC


Aqueous Humor

The shape of the front part of the eye is maintained by a fluid called aqueous humor. Aqueous humor is made by the ciliary body. Strands from the ciliary body support the lens behind the colored part of the eye (iris). Aqueous humor flows into the front of the eye through the pupil. Aqueous humor drains out of the eye…

Gradual Changes in Vision

Vision changes that occur gradually over time or that seem to come and go are usually less serious than changes that occur suddenly and persist. Sudden changes that happen in only one eye are usually the most serious. Any sudden loss of vision lasting for more than a few seconds is a serious symptom that requires…

Central Vision

Central vision is the most important part of a person’s vision. It is used to read, drive, and see pictures or faces. Good central vision allows a person to see shapes, colors, and details clearly and sharply. An area of the retina (the lining of the back of the eye) called the macula provides central vision. Damage to…

Age-Related Macular Degeneration

What is age-related macular degeneration? Age-related macular degeneration is a disease that causes blurring of your central vision. The blurring happens because of damage to the macula, a small area at the back of the eye . The macula helps you see the fine detail in things that your eyes are focusing on. Macular…